105
FNCA52 TJSJ 061930
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
330 PM AST MON APR 6 2026
DISCUSSION
NO FIRE DANGER IS EXPECTED TODAY.
PRZ014-070800-
SOUTHEAST COASTAL PLAINS-
330 PM AST MON APR 6 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 60 50 50 40
TEMP (24H TREND) 71 (-1) 86 (+1) 71 87
RH % (24H TREND) 96 (+3) 66 (-2) 97 63
WIND 20FT/EARLY(MPH) E 11 E 12 E 11 E 16 G23
WIND 20FT/LATE(MPH) E 9 SE 13 E 10 SE 14 G23
MIXING HGT(FT-AGL/MSL) 3880 4020
TRANSPORT WND (MPH) SE 16 E 15
VENT RATE (KT-FT) 54320 52260
DISPERSION 5 5
DSI 5 6 5 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ015-070800-
SOUTHERN HILLS-
330 PM AST MON APR 6 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 50 60 30 50
TEMP (24H TREND) 67 (-3) 83 (+3) 68 84
RH % (24H TREND) 99 (+4) 70 (-3) 99 68
WIND 20FT/EARLY(MPH) E 11 SE 12 E 11 E 13
WIND 20FT/LATE(MPH) E 10 SE 12 E 10 SE 13
MIXING HGT(FT-AGL/MSL) 4600 4560
TRANSPORT WND (MPH) SE 16 SE 15
VENT RATE (KT-FT) 64400 59280
DISPERSION 5 5
DSI 4 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ016-070800-
NORTH COASTAL PLAINS-
330 PM AST MON APR 6 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 10 70 40 70
TEMP (24H TREND) 69 (-2) 88 (+2) 70 88
RH % (24H TREND) 100 (+3) 62 (-4) 100 61
WIND 20FT/EARLY(MPH) SE 12 SE 14 E 12 E 16
WIND 20FT/LATE(MPH) SE 11 E 16 SE 11 E 16
MIXING HGT(FT-AGL/MSL) 4760 4580
TRANSPORT WND (MPH) SE 13 E 13
VENT RATE (KT-FT) 52360 50380
DISPERSION 5 5
DSI 4 6 5 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ017-070800-
NORTHERN HILLS-
330 PM AST MON APR 6 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY MCLEAR MCLDY
PRECIP TYPE NONE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 0 80 30 80
TEMP (24H TREND) 67 (-2) 87 (+3) 69 87
RH % (24H TREND) 99 (+1) 62 (-3) 99 62
WIND 20FT/EARLY(MPH) SE 10 SE 11 E 10 SE 11
WIND 20FT/LATE(MPH) SE 6 SE 13 E 6 E 13
MIXING HGT(FT-AGL/MSL) 5300 4810
TRANSPORT WND (MPH) SE 12 SE 10
VENT RATE (KT-FT) 53000 43290
DISPERSION 5 5
DSI 2 6 3 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ018-070800-
WEST COAST-
330 PM AST MON APR 6 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 20 60 30 70
TEMP (24H TREND) 70 (0) 89 (+2) 71 89
RH % (24H TREND) 99 (+4) 64 (-2) 98 64
WIND 20FT/EARLY(MPH) E 12 E 16 E 13 E 16
WIND 20FT/LATE(MPH) E 12 SE 16 E 12 E 16
MIXING HGT(FT-AGL/MSL) 4490 4370
TRANSPORT WND (MPH) SE 17 SE 16
VENT RATE (KT-FT) 67350 61180
DISPERSION 5 5
DSI 5 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ019-070800-
EASTERN INTERIOR-
330 PM AST MON APR 6 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 60 70 50 70
TEMP (24H TREND) 69 (-2) 84 (+2) 70 85
RH % (24H TREND) 100 (+3) 67 (-4) 100 66
WIND 20FT/EARLY(MPH) SE 13 SE 16 SE 14 SE 16
WIND 20FT/LATE(MPH) SE 13 SE 14 SE 13 SE 14
MIXING HGT(FT-AGL/MSL) 4430 4660
TRANSPORT WND (MPH) SE 16 SE 14
VENT RATE (KT-FT) 62020 55920
DISPERSION 5 5
DSI 5 6 5 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ022-070800-
LUQUILLO MOUNTAIN RANGE-
330 PM AST MON APR 6 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 60 50 70
TEMP (24H TREND) 66 (-3) 79 (+2) 67 81
RH % (24H TREND) 100 (+1) 72 (-5) 100 72
WIND 20FT/EARLY(MPH) SE 11 SE 13 SE 11 SE 13
WIND 20FT/LATE(MPH) SE 11 SE 13 SE 10 SE 13
MIXING HGT(FT-AGL/MSL) 3780 3870
TRANSPORT WND (MPH) SE 17 SE 16
VENT RATE (KT-FT) 56700 54180
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ023-070800-
CENTRAL MOUNTAIN RANGE-
330 PM AST MON APR 6 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 10 70 10 70
TEMP (24H TREND) 65 (-2) 84 (+5) 66 84
RH % (24H TREND) 100 (+3) 66 (-4) 100 66
WIND 20FT/EARLY(MPH) SE 6 SE 11 SE 8 SE 11
WIND 20FT/LATE(MPH) SE 6 SE 11 SE 5 SE 10
MIXING HGT(FT-AGL/MSL) 5370 5130
TRANSPORT WND (MPH) SE 14 SE 10
VENT RATE (KT-FT) 64440 46170
DISPERSION 5 5
DSI 2 6 2 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ024-070800-
CAYEY MOUNTAIN RANGE-
330 PM AST MON APR 6 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 60 60 50 50
TEMP (24H TREND) 67 (-2) 79 (+2) 68 80
RH % (24H TREND) 100 (+1) 77 (-2) 100 74
WIND 20FT/EARLY(MPH) SE 9 SE 11 E 10 E 12
WIND 20FT/LATE(MPH) E 9 SE 11 E 9 SE 11
MIXING HGT(FT-AGL/MSL) 3650 4190
TRANSPORT WND (MPH) SE 16 SE 15
VENT RATE (KT-FT) 51100 54470
DISPERSION 5 5
DSI 5 6 5 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ025-070800-
VIEQUES-
330 PM AST MON APR 6 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 50 40 40 60
TEMP (24H TREND) 71 (-3) 85 (0) 73 85
RH % (24H TREND) 97 (+8) 63 (0) 96 62
WIND 20FT/EARLY(MPH) SE 17 SE 17 E 16 E 17
WIND 20FT/LATE(MPH) SE 17 SE 16 E 17 SE 16
MIXING HGT(FT-AGL/MSL) 3230 2850
TRANSPORT WND (MPH) SE 21 SE 23
VENT RATE (KT-FT) 58140 57000
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ026-070800-
CULEBRA-
330 PM AST MON APR 6 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 50 40 30 60
TEMP (24H TREND) 73 (-2) 86 (+1) 74 86
RH % (24H TREND) 95 (+6) 62 (-4) 94 62
WIND 20FT/EARLY(MPH) SE 17 SE 17 E 17 SE 18
WIND 20FT/LATE(MPH) SE 17 SE 17 E 17 SE 17
MIXING HGT(FT-AGL/MSL) 3210 2740
TRANSPORT WND (MPH) SE 22 SE 22
VENT RATE (KT-FT) 60990 52060
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ027-070800-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
330 PM AST MON APR 6 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 30 50 40 50
TEMP (24H TREND) 71 (-1) 88 (+2) 72 89
RH % (24H TREND) 96 (+6) 63 (0) 95 60
WIND 20FT/EARLY(MPH) E 16 E 17 G25 E 16 G23 E 17 G26
WIND 20FT/LATE(MPH) E 16 SE 18 G26 E 16 SE 18 G26
MIXING HGT(FT-AGL/MSL) 4260 4380
TRANSPORT WND (MPH) SE 21 E 21
VENT RATE (KT-FT) 76680 78840
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
VIZ001-070800-
SAINT THOMAS AND SAINT JOHN-
330 PM AST MON APR 6 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 50 40 30 40
TEMP (24H TREND) 72 (-3) 85 (+1) 73 85
RH % (24H TREND) 94 (+5) 59 (-8) 93 61
WIND 20FT/EARLY(MPH) E 19 SE 18 E 17 E 17
WIND 20FT/LATE(MPH) E 19 SE 17 E 17 E 17
MIXING HGT(FT-AGL/MSL) 3270 2820
TRANSPORT WND (MPH) SE 22 SE 22
VENT RATE (KT-FT) 62130 53580
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
VIZ002-070800-
ST CROIX-
330 PM AST MON APR 6 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 40 30 20
TEMP (24H TREND) 72 (-3) 86 (+1) 73 86
RH % (24H TREND) 94 (+4) 62 (-5) 95 63
WIND 20FT/EARLY(MPH) E 18 E 17 E 14 E 17
WIND 20FT/LATE(MPH) E 18 E 17 E 17 E 16
MIXING HGT(FT-AGL/MSL) 3890 4250
TRANSPORT WND (MPH) SE 22 SE 21
VENT RATE (KT-FT) 73910 76500
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
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